fix(init): #1279 resolve windows init cli failures and restore test cases

[thescientist13]

Related Issue

related to #1279

  25 passing (19s)
  1 failing

  1) Initialize a new Greenwood project: 
       Scaffolding a new project with dependencies installed through PNPM
         should install with pnpm
           should generate a pnpm-lock.yaml file:

      AssertionError: expected false to be true
      + expected - actual

      -false
      +true
      
      at Context.<anonymous> (file:///C:/Users/owenbuckley/Workspace/greenwood/packages/init/test/cases/init.options.install-pnpm/init.options.install-pnpm.spec.js:62:81)
      at process.processImmediate (node:internal/timers:504:21)

---

1. Was originally ignored in https://github.com/ProjectEvergreen/greenwood/pull/992/changes#diff-7ae45ad102eab3b6d7e7896acd08c427a9b25b346470d7bc6507b6481575d519R25
2. Was never restored in feature/issue 1279 prompt based init installer #1497 / restore Init package --install based test cases #787
3. Refector to not use deprecated shell usage with spawned processes
   

Documentation

N / A

Summary of Changes

1. Handle windows powershell installation
2. Add error handling
3. Restore init test cases on windows